94.16: A car of mass m, traveling at speed vr)- mn)tf+rd olffn*bn x, ouv)g0o ; zo,zu:), stops in time t when maximum braking force is applied. Assuming the braking force is independent of mass, what time would be requirobfrz*n) u0o, v o: -nfxd)rg;oltmu)+z)nf ,ed to stop a car of mass 2m traveling at speed v?

  96.04: When the velocity of a movingrmwv4q3qcm x*:02 lz x object is doubled, its_______is also double2rvzqw*cqxm3l0:4m x d.

  96.06: Impulse, Fnetfu v6tap(nf2/orqh7 0x9iq8c $\Delta$tis best related to:

  17.05: Which one of the followif6b3s3zp3ghf 7 jwet.ng choices is most closely associated with the following observation about an isolated object: “The l6gew 7hf3sp33 zb.fjt inear momentum of the object is constant.”?

  17.21: The change in linear momentum of an object z gl6 lx /5.y +ob9ynqz0ymhw,is always in the same direction nz60w9 .moyxyhlq /5 ,y+z glbas the

  95.08: How long must a2 /nj1t*whjvlxl2;i p 100 N net force act to produce a change in momentum of 200 kgtl2j/vi1 lphwx*2; nj .m/s?

  95.29: P and Q have the same mj6l -z9vug6lh omentum. Q can have more kinetic energy than P if it66uvg l9jz lh-:

  98.26: A ball with a mass of 0.50 kg and a speed of 6.0dwul. +oba.z +wx8p 7h m/s collides perpendicularly with a wall and bounces off with a speed of 4.0 m/s in the opposite direction. woa7x8b+ pu .+w.lzd h What is the magnitude of the impulse acting on the ball?

  01.08: A 50 kilogram gymnast falls freely from a height of 4 meters,re.y pg. rkq*0fhea6s c c+u; on to a trampoline. The trampoline then bounces her back upward with a speed equal to the speed at which she first struck the trampoline. What is th,0.cepa.uh6g k rfsyqr+ e*;ce average force the trampoline applies on the gymnast?

  17.27: A 2.0 kg mass mo(u 1gsq0ooj 7bfm 4q/x;e bcw58 ln2aoves at 10.0 m/s when it has a collision in space. The mass’s speed was unchanged, but the direction ofa8 b4qq; cs2 1of/ jol5ow7g(mnxebu0 its velocity was altered by $80^{\circ}$. If the collision lasted 0.25 s, what was the magnitude of the average force exerted on the mass?

  05.13: A bat striking a 0.125 kg-baseball is in contact with the ball fbn2q 7xb(ce.,*n( 5krpxnh8l jbqw; a or a time of 0.03 seconds. The ball travels in a straight line as it approaches and then leaves the bat. If the ball arrives at the bat with a velocity of 4.5 m/s and leaves with a velocity of-6.5 m/s, what is the magnitude of the avx;.(rc,nqk* wp8qjb n7 5hnbxl (b2eaerage force acting on the ball?

  15.43: An object of mass 4.0 g has atotal kinetic ek41drv:- n- qgkptyw7 nergy of 100.0 J and an x-component vgkd: k yr4-7wqn1-tp of linear momentum equal to 24.0 kg.m/s. The object is moving in the x-y plane. What is they-component of the object’s linear momentum?

  13.05: At an instant of time t, a point object of mass M moves with velocity V,z 1eaflx6n0n jb6c7xzcgjt +f (8 f-i6 has acceleration a, and is at position (x,y). In what direction must the linear momentum of the oxgx an6z17cnc 6ebif(lz +6 tjj-f80f bject be directed at this instant?

  10.32: A rubber ball of mass 2.0 kg falling straight downizd+ nuy5e.t(.bq9fw1 fl zt s -8z *h1ogold(ward hits the ground with a speed of 0.90 m/s and then rebounds straight upward with a speed of 0.60 m/s. The collision time of the ball with the ground is 0.25 s. Treat g = 10 N/kg. *zu. .8golqh-tyt1 l ( 1nzd5wefdbo9s iz+(f
What is the magnitude of the average acceleration (in units of $m/s^{2}$ ) of the ball while it is in contact with the ground?

  10.33: A rubber ball of mass 2.0 kg falling straight downward hits th gcit)kr c32y(e ground with a speed of 0.90 m/s and then rebounds straig gc2(kc it)y3rht upward with a speed of 0.60 m/s. The collision time of the ball with the ground is 0.25 s. Treat g = 10 N/kg.
What is the magnitude of the average force (in units of Newtons) exerted by the ground on the ball while they are in contact?

  14.12: A box of mass 5.0 kg is being pushed to th: v +cpl5vgesdy ym2:+e right across a horizontal surface while a constant frictional force of 8.0 N acts on the box. At some instant of time, the box has a speed of 4.0 m/s and an acceleraped:c2s:lg5+vv y m+ytion of$3.0\; m/s^{2}$ . What is the magnitude of the net force acting on the box at this instant?

  15.12: A box of mass 12.0 kg is beiwau9nq1tvj8 w5zg0v : ng pushed to the right across a horizontal surface. When the box ha01z:8nawtgj5v uvqw9 s 12.0 J of kinetic energy, a 12.0 N net force acts on it. Which one of the following choices best represents the magnitude of the linear momentum of the box at this instant?